0
Anonymous
The HCF of 3780 is 3780. if you meant 37 and 80, it would just be 1
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10.3562
20*-9 = -180 -180*21 = -3780 -3780*-1 = 3780.
The LCM is 3780.
It has (3780+360)/180 = 23 sides
420